Bicycle rear cluster gear with built-in spacer



FIG. 1 is a front elevational view of a bicycle rear cluster gear with built-in spacer showing my new design.

FIG. 2 is a top plan view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a front elevational view of a bicycle rear cluster gear with built-in spacer showing a second embodiment of my new design.

FIG. 5 is a top plan view of FIG. 4.

FIG. 6 is a rear elevational view of FIG. 4. 

The ornamental design for a bicycle rear cluster gear with built-in spacer, as shown and described. 